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修改拦截器demo

bugfix
Jiaju Zhuang 5 years ago
parent
commit
51238868be
  1. 61
      quickstart.md

61
quickstart.md

@ -853,6 +853,67 @@ public class LongestMatchColumnWidthData {
![img](img/readme/quickstart/write/customHandlerWrite.png) ![img](img/readme/quickstart/write/customHandlerWrite.png)
##### 对象 ##### 对象
参照:[对象](#simpleWriteObject) 参照:[对象](#simpleWriteObject)
##### 定义拦截器
````java
/**
* 自定义拦截器。对第一行第一列的头超链接到:https://github.com/alibaba/easyexcel
*
* @author Jiaju Zhuang
*/
public class CustomCellWriteHandler implements CellWriteHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(CustomCellWriteHandler.class);
@Override
public void beforeCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Row row,
Head head, int relativeRowIndex, boolean isHead) {
}
@Override
public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, CellData cellData,
Cell cell, Head head, int relativeRowIndex, boolean isHead) {
// 这里可以对cell进行任何操作
LOGGER.info("第{}行,第{}列写入完成。", cell.getRowIndex(), cell.getColumnIndex());
if (isHead && cell.getColumnIndex() == 0) {
CreationHelper createHelper = writeSheetHolder.getSheet().getWorkbook().getCreationHelper();
Hyperlink hyperlink = createHelper.createHyperlink(HyperlinkType.URL);
hyperlink.setAddress("https://github.com/alibaba/easyexcel");
cell.setHyperlink(hyperlink);
}
}
}
````
````java
/**
* 自定义拦截器.对第一列第一行和第二行的数据新增下拉框,显示 测试1 测试2
*
* @author Jiaju Zhuang
*/
public class CustomSheetWriteHandler implements SheetWriteHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(CustomSheetWriteHandler.class);
@Override
public void beforeSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
}
@Override
public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
LOGGER.info("第{}个Sheet写入成功。", writeSheetHolder.getSheetNo());
// 区间设置 第一列第一行和第二行的数据。由于第一行是头,所以第一、二行的数据实际上是第二三行
CellRangeAddressList cellRangeAddressList = new CellRangeAddressList(1, 2, 0, 0);
DataValidationHelper helper = writeSheetHolder.getSheet().getDataValidationHelper();
DataValidationConstraint constraint = helper.createExplicitListConstraint(new String[] {"测试1", "测试2"});
DataValidation dataValidation = helper.createValidation(constraint, cellRangeAddressList);
writeSheetHolder.getSheet().addValidationData(dataValidation);
}
}
````
##### 代码 ##### 代码
```java ```java
/** /**

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